FortiOS 7.4.13: HA1/HA2 port as hw-session-sync-dev shows out-of-sync on 4801F-HA
Summary
Fortinet lists a known issue (Bug ID 1151441) in the FortiOS 7.4.13 release notes. On the FortiGate 4801F-HA, an ha1 or ha2 port used as hw-session-sync-dev is shown as out-of-sync, even though it is connected to the NP7 (network processor). The issue is open.
Symptoms
The ha1/ha2 port configured as hw-session-sync-dev (hardware session synchronisation device) is reported as out-of-sync although it is connected to NP7.
Affected
- FortiOS 7.4.13
- FortiGate 4801F-HA with HyperScale, using the ha1/ha2 port as hw-session-sync-dev
Workaround
No workaround known.
Fix
Not fixed yet.
Recommendation
If you run a 4801F-HA with HyperScale on FortiOS 7.4.13, check the synchronisation status of the hw-session-sync-dev port. Do not rely on the out-of-sync display alone to diagnose HA problems. Watch the Fortinet release notes for a fixed version before upgrading.
Sources
- FortiOS 7.4.13 Release Notes: Known issues Vendor · docs.fortinet.com
Compiled from the sources listed and translated with AI (Claude); status and dates come from the vendor. The vendor’s statements are authoritative. Updated 1 Nov 2026, 22:03.
Where the information comes from
We continuously read the vendors’ official sources, community reports and trade media and summarise them in our own words, with a link to the source:
- Microsoft: Windows release health (Windows 10/11, Server 2016 to 2025), Windows message center, known issues of Microsoft 365 Apps (Outlook, Excel, Word, PowerPoint), Edge, Intune, Autopilot, Windows 365 and Entra Connect, Microsoft KB articles with timelines, Exchange and Windows IT Pro blogs, optionally Microsoft 365 service health and message center
- other vendors: Veeam KB, Citrix (known issues), Ubuntu and Debian (regressions), Broadcom (VMware), Fortinet, Cisco, Mozilla, Let’s Encrypt
- community (title, short excerpt and link only, without the names of the authors): Microsoft Q&A, Microsoft Tech Community (discussions), Veeam R&D Forums, Eleven Forum
- targeted web research with AI (Claude), e.g. on the updates of the month – this also finds discussions on Reddit and in forums; such entries are labelled as community reports until the vendor confirms them
- early warning from trade media (title and link only): Born’s Tech and Windows World, BleepingComputer, AskWoody, Windows Latest, Windows Central, gHacks, The Windows Club, Deskmodder, Dr. Windows, WindowsArea, Frankys Web, heise online
Summary and translation with AI (Claude by Anthropic) – without any data of visitors.
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